1439942905821

Names of 1439942905821

• Cardinal: 1439942905821 can be written as One trillion, four hundred thirty-nine billion, nine hundred forty-two million, nine hundred five thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.439942905821 × 10¹²

Factors of 1439942905821

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 17734

Divisors of 1439942905821

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 29 37 87 111 203 259 609 777 1073 3219 5081 7511 12577 15243 22533 35567 37731 88039 106701 147349 187997 264117 364733 442047 465349 563991 1031443 1094199 1315979 1396047 2553131 3094329 3257443 3947937 5451913 7659393 9772329 13495121 16355739 38163391 40485363 63903737 94465847 114490173 191711211 283397541 447326159 1341978477 1853208373 2364438269 5559625119 7093314807 12972458611 16551067883 38917375833 49653203649 68568709801 205706129403 479980968607 1439942905821
• Sum of all divisors σ(n): 2331852526080
• Sum of proper divisors (its aliquot sum) s(n): 891909620259
• 1439942905821 is a deficient number, because the sum of its proper divisors (891909620259) is less than itself. Its deficiency is 548033285562

Bases of 1439942905821

• Binary: 10100111101000011010010010000111111011101₂
• Hexadecimal: 0x14F43490FDD
• Base-36: IDI0TSYL

Squares and roots of 1439942905821

• 1439942905821 squared (1439942905821²) is 2073435572024225275684041
• 1439942905821 cubed (1439942905821³) is 2985628842613190278474792811015702661
• The square root of 1439942905821 is 1199976.2105229419
• The cube root of 1439942905821 is 11292.2831010457

Scales and comparisons

• 1,439,942,905,821 seconds is equal to 45,785 years, 37 weeks, 6 days, 20 hours, 30 minutes, 21 seconds.
• To count from 1 to 1,439,942,905,821 would take you about one hundred fourteen thousand, four hundred sixty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1439942905821 cubic inches would be around 941 feet tall.

Recreational maths with 1439942905821

• 1439942905821 backwards is 1285092499341
• The number of decimal digits it has is: 13
• The sum of 1439942905821's digits is 57
• More coming soon!